null_to_na

Provides access to coded election programmes from
    the Manifesto Corpus and to the Manifesto Project's Main Dataset. The Manifesto
    Project (https://manifesto-project.wzb.eu) collects and analyses election
    programmes across time and space to measure the political preferences
    of parties. The Manifesto Corpus contains the collected
    and annotated election programmes in the Corpus format of the package 'tm' to enable
    easy use of text processing and text mining functionality. Specific functions
    for scaling of coded political texts are included.

null_to_na: Convert NULL to NA

Description

Usage

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